497566628 has 48 divisors (see below), whose sum is σ = 964320000. Its totient is φ = 223202304.

The previous prime is 497566621. The next prime is 497566633. The reversal of 497566628 is 826665794.

It is a self number, because there is not a number n which added to its sum of digits gives 497566628.

It is not an unprimeable number, because it can be changed into a prime (497566621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397748 + ... + 398996.

It is an arithmetic number, because the mean of its divisors is an integer number (20090000).

Almost surely, 2^497566628 is an apocalyptic number.

It is an amenable number.

497566628 is a deficient number, since it is larger than the sum of its proper divisors (466753372).

497566628 is a wasteful number, since it uses less digits than its factorization.

497566628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1474 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The square root of 497566628 is about 22306.2015592077. The cubic root of 497566628 is about 792.4108524547.

The spelling of 497566628 in words is "four hundred ninety-seven million, five hundred sixty-six thousand, six hundred twenty-eight".